GMail API for Java version 0.3.4 now request GMail with multithread connection.
GMailer version 0.3-pre3 added Look and Feel Chooser and serveral UI bug fixes.
GMailer version 0.3-pre2 improve performance with multi-threaded HTTP connection.
Thanks Teodor and Samanth to join this project! They would help me to amke GMailer more usable and I can focus more on teh G4J API.